[vsnet-grb-info 15686] GRB 141026A: IRAM 30m millimetre observations
GCN Circulars
gcncirc at capella2.gsfc.nasa.gov
Wed Oct 29 05:27:00 JST 2014
TITLE: GCN CIRCULAR
NUMBER: 16974
SUBJECT: GRB 141026A: IRAM 30m millimetre observations
DATE: 14/10/28 20:26:53 GMT
FROM: Alberto Castro-Tirado at Inst.de Astro. de Andalucia <ajct at iaa.es>
A. J. Castro-Tirado, J. C. Tello, J. Gorosabel (IAA-CSIC Granada), C.
Kramer, I. Hermelo, G. Paubert, A. Sievers (IRAM Granada) and J. G.
Staguhn (NASA/GSFC Greenbelt),on behalf of a larger collaboration, report:
Following the detection of GRB 141026A by Swift (Hagen et al. GCNC
16950), observations with the IRAM 30m antenna (+GISMO) at Pico Veleta
(Spain) were triggered on 26-27 Oct. At the position of the optical
afterglow (Littlejohns et al. GCNC 16952, Varela et al. GCNC 16953,
Gorosabel et al. GCNC 16954), we detect no mm afterglow (at 2 mm) down to
a preliminary flux density of 1.2 mJy (3 sigma) on Oct 26, 14:30 UT (mid
time). We acknowledge excellent assistance from the IRAM observers.
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